<!doctype html>
<html>
  <head>
    <meta http-equiv="content-type" content="text/html; charset=utf-8" />
    <title>Secondary window</title>
    <script charset="utf-8" type="module" src="index_send_event.js"></script>
  </head>
  <body>
    <h1>window that sends an event</h1>
  </body>
</html>
